If you're looking for a free trial or a previous version, you can also check the Adobe website for options.

If you're looking for a .RAR file, I must remind you that it's essential to be cautious when downloading files from third-party sources, as they might contain malware or viruses.

If you still want to explore this option, you can try searching for "Adobe RoboHelp 2022 .RAR" on a reputable file-sharing platform (e.g., Adobe's official website, FileHippo, or CNET). However, please ensure you're downloading from a trusted source and have proper antivirus software installed on your system.

However, I can guide you on the official process to download Adobe RoboHelp 2022: